diff options
| author | Craig Topper <craig.topper@gmail.com> | 2017-05-10 18:15:06 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2017-05-10 18:15:06 +0000 |
| commit | 9bbae50d83db2856f0cb27adb16123d2f80a5789 (patch) | |
| tree | 30592947b57498db11086cee060647ded134fd41 /llvm | |
| parent | 197685c6d8977135c227bd62c38f34106809b9d2 (diff) | |
| download | bcm5719-llvm-9bbae50d83db2856f0cb27adb16123d2f80a5789.tar.gz bcm5719-llvm-9bbae50d83db2856f0cb27adb16123d2f80a5789.zip | |
[ConstantRange] Add test case showing a case where we pick too large of a range for multiply after r271020.
llvm-svn: 302700
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/unittests/IR/ConstantRangeTest.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/unittests/IR/ConstantRangeTest.cpp b/llvm/unittests/IR/ConstantRangeTest.cpp index b22f82154f4..6c5c8f50340 100644 --- a/llvm/unittests/IR/ConstantRangeTest.cpp +++ b/llvm/unittests/IR/ConstantRangeTest.cpp @@ -443,6 +443,11 @@ TEST_F(ConstantRangeTest, Multiply) { EXPECT_EQ(ConstantRange(APInt(8, 254), APInt(8, 255)).multiply( ConstantRange(APInt(8, 2), APInt(8, 4))), ConstantRange(APInt(8, 250), APInt(8, 253))); + + // TODO: This should be return [-2, 0] + EXPECT_EQ(ConstantRange(APInt(8, -2)).multiply( + ConstantRange(APInt(8, 0), APInt(8, 2))), + ConstantRange(APInt(8, 0), APInt(8, 255))); } TEST_F(ConstantRangeTest, UMax) { |
